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Computation
Fractions
Greatest Common Factor (GCF)
Least Common Multiple (LCM)
Math Vocabulary
100

385 + 637 = ?

1,022

100

Multiply. Give your answer in simplest form.
7/10 x 8/21

4/15

100
What is the Greatest Common Factor (GCF) of 60 and 30?
30
100
What is the Least Common Multiple of 6 and 10?
60
100
What vocabulary word means the answer to an addition problem?
sum
200

8,014 - 3,916 = ?

4,098

200

Reduce the fraction 18/27 to its simplest form.

2/3

200
What is the Greatest Common Factor (GCF) of 20 and 35?
5
200
What is the Least Common Multiple of 20 and 4?
20
200
What vocabulary word means the answer to a multiplication problem?
product
300

27 x 8 = ?

216

300
Reduce the fraction 35/40 to its simplest form.
7/8
300
What is the Greatest Common Factor (GCF) of 44 and 33?
11
300
What is the Least Common Multiple of 6 and 8?
24
300

The least common multiple (LCM) of any two numbers is: 

the smallest number that is a multiple of both numbers

400

52 x 39 = ?

2,028

400

Subtract. Give your answer in simplest form.
5/12 - 3/8

1/24

400
What is the Greatest Common Factor (GCF) of 45 and 63?
9
400
What is the Least Common Multiple of 2,3 and 5?
30
400
What vocabulary word means the answer to a division problem?
quotient
500

168 รท 12 = ?

14

500

Multiply. Give your answer in simplest form.
3/4 x 2/5 = ?

3/10

500
What is the Greatest Common Factor (GCF) of 48 and 64?
16
500
What is the Least Common Multiple of 2,3, and 9?
18
500

The greatest common factor (GCF) of any two numbers is:

the largest number that divides evenly into both numbers